| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.carbondata.core.metadata; |
| |
| import java.io.Serializable; |
| import java.util.Map; |
| |
| import org.apache.carbondata.core.metadata.datatype.DataType; |
| |
| /** |
| * Column unique identifier |
| */ |
| public class ColumnIdentifier implements Serializable { |
| |
| /** |
| * |
| */ |
| private static final long serialVersionUID = 1L; |
| |
| /** |
| * column id |
| */ |
| private String columnId; |
| |
| /** |
| * column properties |
| */ |
| private Map<String, String> columnProperties; |
| |
| private DataType dataType; |
| |
| /** |
| * @param columnId |
| * @param columnProperties |
| */ |
| public ColumnIdentifier(String columnId, Map<String, String> columnProperties, |
| DataType dataType) { |
| this.columnId = columnId; |
| this.columnProperties = columnProperties; |
| this.dataType = dataType; |
| } |
| |
| /** |
| * @return columnId |
| */ |
| public String getColumnId() { |
| return columnId; |
| } |
| |
| /** |
| * @param columnProperty |
| * @return |
| */ |
| public String getColumnProperty(String columnProperty) { |
| String property = null; |
| if (null != columnProperties) { |
| property = columnProperties.get(columnProperty); |
| } |
| return property; |
| } |
| |
| public DataType getDataType() { |
| return this.dataType; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((columnId == null) ? 0 : columnId.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| ColumnIdentifier other = (ColumnIdentifier) obj; |
| if (columnId == null) { |
| if (other.columnId != null) { |
| return false; |
| } |
| } else if (!columnId.equals(other.columnId)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "ColumnIdentifier [columnId=" + columnId + "]"; |
| } |
| |
| } |